Gallery: the concepts of this year's Paris motorshow

Paul Horrell explains what the crazy concepts at this year’s Motor Show mean in the real world…

In that tradition, over the years Peugeot has done several crazy supercars for its hometown Paris show. The Onyx was one of them. Will Pug build a supercar out of paper and copper, powered by the sadly-redundant Le Mans engine? No way. Is it good to see the designers being allowed off the leash of dreary production constraints? Absolutely.